Finding the Fourth Proportional to 9,166,380.24, 12,644,341.68 and 5,722,642.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,166,380.24 : 12,644,341.68 = 5,722,642.56 : x
2. Step 2: Convert to fraction form
   9,166,380.24/12,644,341.68 = 5,722,642.56/x
3. Step 3: Cross multiply
   9,166,380.24x = 12,644,341.68 × 5,722,642.56
4. Step 4: Simplify right side
   9,166,380.24x = 72,359,047,841,149.89
5. Step 5: Solve for x
   x = 72,359,047,841,149.89/9,166,380.24
6. Step 6: Final answer
   x = 7,893,960.97